Yealink SIP-T2 SERIES Administrator's Manual page 948

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Procedure
Changes can only be configured using the configuration files.
Configuration File
Details of the Configuration Parameter:
sip.notify_reboot_enable
Description:
Configure the IP phone behavior when receiving a SIP NOTIFY message which
contains the header ―Event: check-sync‖.
0-The IP phone will reboot only if the SIP NOTIFY message contains an additional
string ―reboot=true‖.
1-The IP phone will be forced to reboot.
2-The IP phone will ignore the SIP NOTIFY message.
Web User Interface:
None
Phone User Interface:
None
You can reboot your IP phone via web/phone user interface.
To reboot the phone via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin) ->Reboot.
926
<y0000000000xx>.cfg
Parameter
Configure the IP phone behavior
when receiving a SIP NOTIFY
message which contains the
header ―Event: check-sync‖.
Parameter:
sip.notify_reboot_enable
Permitted Values
0, 1 or 2
Default
1